Descripción del producto

 â€‹We have ***0 grams of copper isotope Cu****9.*9% (+ / 0.*5) Cu*5 - *0.*1% (+ / 0.*3%). *9.**6 purity is certified by NEREDMET
The sample was taken at the Giredmet IACC .
The total impurity composition was determined by spark mass spectrometry on a
double-focus mass spectrometer JMS***-BM2, manufactured by JEOL (Japan). Mass spectra with high mass
spectral resolution were recorded on Ilford-Q photographic plates.
An MDM6 microdensitometer manufactured by Joyce Loebl (Great Britain), combined with
a NOVA 4 minicomputer (USA), was used for quantitative interpretation of mass spectra. Mathematical software
developed at MS Lab was used to calculate the impurity contents. The random error of the analysis results is characterized by a value relative to
the standard deviation is 0.***0.*0. The contents of inert gases and transuranic elements in this sample are
below their detection limits of 0.1 ppm.
The analysis results are presented in mass parts per million (1 ppm = 0.***1%).
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Stored in glass flasks of **0 grams

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